USANA Health Sciences, Inc. develops, manufactures, distributes, and sells nutritional and personal care products worldwide. It offers the USANA Nutritionals Essentials product line, which includes vitamin and mineral supplements that provide a foundation of total body nutrition for various age groups; optimizers consisting of targeted supplements designed to meet cardiovascular health, skeletal/structural health, and digestive health needs; and foods comprising low-glycemic meal replacement shakes, snack bars, and other related products that provide optimal macro-nutrition. The company also provides Sensé—beautiful science product line consisting of personal care products that support healthy skin and hair through topical nourishment, moisturization, and protection; and products designed specifically for prenatal, infant, and young child age groups in China. In addition, it offers materials and online tools, such as associate starter kit and product brochures that are designed to assist associates in building their businesses and in marketing products. USANA Health Sciences, Inc. primarily distributes its products through a network marketing system of independent distributors. The company was founded in 1992 and is headquartered in Salt Lake City, Utah.